/**

  * Copyright 2005-2013 Dozer Project

  *

  * Licensed under the Apache License, Version 2.0 (the "License");

  * you may not use this file except in compliance with the License.

  * You may obtain a copy of the License at

  *

  *      http://www.apache.org/licenses/LICENSE-2.0

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.dozer.stats;

 import org.apache.commons.lang3.builder.EqualsBuilder;

 import org.apache.commons.lang3.builder.ReflectionToStringBuilder;

 import org.apache.commons.lang3.builder.ToStringStyle;

 import java.util.concurrent.atomic.AtomicLong;

 /**

  * Internal class that represents one entry in the statistic. Holds the statistic value and unique key for lookup.

  * Entry counter is based on AtomicLong and is Thread Safe.

  *

  * Only intended for internal use.

  * 

  * @author tierney.matt

  * @author dmitry.buzdin

  */

 public class StatisticEntry {

   private final Object key;

   private final AtomicLong value = new AtomicLong();

   public StatisticEntry(Object key) {

     this.key = key;

   }

   public Object getKey() {

     return key;

   }

   public long getValue() {

     return value.get();

   }

   public void increment(long value) {

     this.value.addAndGet(value);

   }

   @Override

   public boolean equals(Object object) {

     if ((this == object)) {

       return true;

     }

     if (!(object instanceof StatisticEntry)) {

       return false;

     }

     StatisticEntry entry = (StatisticEntry) object;

     return new EqualsBuilder().append(this.getKey(), entry.getKey()).isEquals();

   }

   @Override

   public int hashCode() {

     return key.hashCode();

   }

   @Override

   public String toString() {

     return ReflectionToStringBuilder.toString(this, ToStringStyle.MULTI_LINE_STYLE);

   }

 }